Patents by Inventor Sheel P. Agarwal
Sheel P. Agarwal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11518122Abstract: Tires having a magnetic tire sealing material containing magnetic particles are described for detecting the presence of one or more sealed punctures in the tire. The tires can have a sealed tire portion that is formed by the magnetic tire sealing material flowing into and filling a puncture in the tire. The sealed tire portion includes a portion having magnetic particles and the portion being at the outer surface of the tire such as in the tread area. The tire can be positioned within the detection zone of an apparatus capable of detecting magnetic particles to indicate whether the tire contains a sealed puncture filled with the magnetic tire sealing material.Type: GrantFiled: December 1, 2016Date of Patent: December 6, 2022Assignee: Bridgestone Americas Tire Operations, LLCInventors: Sheel P. Agarwal, Terence E. Wei
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Patent number: 11485179Abstract: Tires having an electrically conductive tire sealing material containing metallic electrically conductive particles are described for detecting the presence of one or more sealed puncture areas in the tire. The tires can have a sealed tire portion that is formed by the electrically conductive tire sealing material flowing into and filling a puncture in the tire. The sealed tire portion includes a portion having electrically conductive particles and the portion being at the outer surface of the tire such as in the tread area. The tire can be positioned to be in contact with a conductive section of an apparatus capable of measuring electrical conductivity.Type: GrantFiled: December 1, 2016Date of Patent: November 1, 2022Assignee: Bridgestone Americas Tire Operations, LLCInventors: Sheel P. Agarwal, Terence E. Wei
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Patent number: 11358422Abstract: An assembly for attaching an electronics package to a tire includes a carriage for receiving an electronics package. The assembly also includes a locking clip connected to the carriage and a locking ring having a first side permanently affixed to an interior of the tire. The locking ring is configured to engage the locking clip.Type: GrantFiled: March 27, 2020Date of Patent: June 14, 2022Assignee: Bridgestone Americas Tire Operations, LLCInventors: Sheel P. Agarwal, Adam K. Nesbitt
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Publication number: 20210253832Abstract: Provided herein are cured rubber compositions containing guayule natural rubber with 2.5-4 weight % resin and fillers. By the use of a specified cure package that contains increased amounts of sulfur and accelerator, the cured rubber compositions are found to exhibit strain induced crystallization (as can be observed by X-ray diffraction). Also provided are related methods for preparing the rubber compositions.Type: ApplicationFiled: December 28, 2020Publication date: August 19, 2021Inventors: Sheel P. Agarwal, Yingyi Huang
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Patent number: 10875989Abstract: Provided herein are cured rubber compositions containing guayule natural rubber with 2.5-4 weight % resin and fillers. By the use of a specified cure package that contains increased amounts of sulfur and accelerator, the cured rubber compositions are found to exhibit strain induced crystallization (as can be observed by X-ray diffraction). Also provided are related methods for preparing the rubber compositions.Type: GrantFiled: September 9, 2019Date of Patent: December 29, 2020Assignee: Bridgestone CorporationInventors: Sheel P. Agarwal, Yingyi Huang
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Publication number: 20200370237Abstract: Methods are described for treatment of aramid fibers to modify the surface of the fibers. The treated fibers have improved adhesion to elastomer materials as compared to untreated fibers. Modification methods include irradiating the fibers, compressing and straining the fibers under a constant pull force and immersing the fibers in a coupling agent fluid. The treated fibers can be used with elastomers and provide reinforcement elements in products such as tires.Type: ApplicationFiled: August 10, 2020Publication date: November 26, 2020Inventors: Nihal Kanbargi, Alan J. Lesser, Wei Zhao, Sheel P. Agarwal, Mindaugas Rackaitis
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Patent number: 10738418Abstract: Methods are described for treatment of aramid fibers to modify the surface of the fibers. The treated fibers have improved adhesion to elastomer materials as compared to untreated fibers. Modification methods include irradiating the fibers, compressing and straining the fibers under a constant pull force and immersing the fibers in a coupling agent fluid. The treated fibers can be used with elastomers and provide reinforcement elements in products such as tires.Type: GrantFiled: August 18, 2016Date of Patent: August 11, 2020Inventors: Nihal Kanbargi, Alan J. Lesser, Wei Zhao, Sheel P. Agarwal, Mindaugas Rackaitis
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Publication number: 20200223266Abstract: An assembly for attaching an electronics package to a tire includes a carriage for receiving an electronics package. The assembly also includes a locking clip connected to the carriage and a locking ring having a first side permanently affixed to an interior of the tire. The locking ring is configured to engage the locking clip.Type: ApplicationFiled: March 27, 2020Publication date: July 16, 2020Inventors: Sheel P. AGARWAL, Adam K. NESBITT
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Patent number: 10639948Abstract: An assembly for mounting an electronics package to an interior of a tire includes a carriage configured to receive an electronics package. The assembly also includes an attaching device having a first side and a second side. The first side of the attaching device is permanently affixed to the interior of the tire. The second side of the attaching device has an attaching structure. The attaching structure is configured to receive the carriage to form a secure and locked connection.Type: GrantFiled: November 17, 2015Date of Patent: May 5, 2020Assignee: Bridgestone Americas Tire Operations, LLCInventors: Sheel P. Agarwal, Adam K. Nesbitt
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Patent number: 10584234Abstract: An antioxidant precursor compound represented by the formula where R2 through R6 are each independently a hydrogen atom or a monovalent organic group, R7 and R8 are each independently a monovalent organic group, R9 is a hydrogen atom or a blocking group, and R10 is a covalent bond or a divalent organic group, with the proviso that at least one of R2 and R6 are sterically bulky groups.Type: GrantFiled: June 25, 2018Date of Patent: March 10, 2020Assignee: Firestone Industrial Products Company, LLCInventors: Sheel P. Agarwal, William L. Hergenrother
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Publication number: 20200047561Abstract: A tire having structures used to notify a driver, passenger, or other observer that a tire tread has worn to a predetermined limit is disclosed. Lattice plies, lattices, meshes, and/or films which are disposed within a tire produce an audible signal that indicates a tire tread has worn to a predetermined limit. The lattice plies, lattices, meshes, and/or films may be used a variety of tire applications.Type: ApplicationFiled: October 5, 2017Publication date: February 13, 2020Applicants: Bridgestone Corporation, Bridgestone Americas Tire Operations, LLCInventors: Terence E. WEI, Sheel P. AGARWAL
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Publication number: 20200002513Abstract: Provided herein are cured rubber compositions containing guayule natural rubber with 2.5-4 weight % resin and fillers. By the use of a specified cure package that contains increased amounts of sulfur and accelerator, the cured rubber compositions are found to exhibit strain induced crystallization (as can be observed by X-ray diffraction). Also provided are related methods for preparing the rubber compositions.Type: ApplicationFiled: September 9, 2019Publication date: January 2, 2020Applicant: Bridgestone CorporationInventors: Sheel P. Agarwal, Yingyi Huang
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Patent number: 10407564Abstract: Provided herein are cured rubber compositions containing guayule natural rubber with 2.5-4 weight % resin and fillers. By the use of a specified cure package that contains increased amounts of sulfur and accelerator, the cured rubber compositions are found to exhibit strain induced crystallization (as can be observed by X-ray diffraction). Also provided are related methods for preparing the rubber compositions.Type: GrantFiled: February 12, 2018Date of Patent: September 10, 2019Assignee: Bridgestone CorporationInventors: Sheel P. Agarwal, Yingyi Huang
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Publication number: 20190001761Abstract: Tires having an electrically conductive tire sealing material containing metallic electrically conductive particles are described for detecting the presence of one or more sealed puncture areas in the tire. The tires can have a sealed tire portion that is formed by the electrically conductive tire sealing material flowing into and filling a puncture in the tire. The sealed tire portion includes a portion having electrically conductive particles and the portion being at the outer surface of the tire such as in the tread area. The tire can be positioned to be in contact with a conductive section of an apparatus capable of measuring electrical conductivity.Type: ApplicationFiled: December 1, 2016Publication date: January 3, 2019Applicant: Bridgestone Americas Tire Operations, LLCInventors: Sheel P. AGARWAL, Terence E. WEI
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Publication number: 20180345609Abstract: Tires having a magnetic tire sealing material containing magnetic particles are described for detecting the presence of one or more sealed punctures in the tire. The tires can have a sealed tire portion that is formed by the magnetic tire sealing material flowing into and filling a puncture in the tire. The sealed tire portion includes a portion having magnetic particles and the portion being at the outer surface of the tire such as in the tread area. The tire can be positioned within the detection zone of an apparatus capable of detecting magnetic particles to indicate whether the tire contains a sealed puncture filled with the magnetic tire sealing material.Type: ApplicationFiled: December 1, 2016Publication date: December 6, 2018Inventors: Sheel P. Agarwal, Terence E. Wei
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Patent number: 10138351Abstract: The present disclosure is directed to rubber compositions containing a chemical additive capable of generating or enhancing strain-induced crystallization into the compositions, and tires containing the rubber compositions in one or more components such as sidewalls or treads. The chemical additive is at least one nucleating agent of formula (I) or formula (II). As well, certain embodiments relate to methods for achieving reduced wear or improved durability in a tire tread or tire sidewall by using the chemical additives.Type: GrantFiled: October 15, 2015Date of Patent: November 27, 2018Assignee: Bridgestone CorporationInventors: Amy M. Randall, Kevin M. McCauley, Sheel P. Agarwal, Christopher G. Robertson
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Publication number: 20180237982Abstract: Methods are described for treatment of aramid fibers to modify the surface of the fibers. The treated fibers have improved adhesion to elastomer materials as compared to untreated fibers. Modification methods include irradiating the fibers, compressing and straining the fibers under a constant pull force and immersing the fibers in a coupling agent fluid. The treated fibers can be used with elastomers and provide reinforcement elements in products such as tires.Type: ApplicationFiled: August 18, 2016Publication date: August 23, 2018Inventors: Nihal Kanbargi, Alan J. Lesser, Wei Zhao, Sheel P. Agarwal, Mindaugas Rackaitis
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Publication number: 20180170118Abstract: A tire includes at least one annular structure configured to interface with a wheel. The tire also includes a circumferential tread disposed in a crown region of the tire and a package having magnetic particles and an erodible medium, disposed within the circumferential tread. The magnetic particles are distributed along a gradient of increasing concentration.Type: ApplicationFiled: December 14, 2017Publication date: June 21, 2018Inventors: Terence E. Wei, Sheel P. Agarwal
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Publication number: 20180163027Abstract: Provided herein are cured rubber compositions containing guayule natural rubber with 2.5-4 weight % resin and fillers. By the use of a specified cure package that contains increased amounts of sulfur and accelerator, the cured rubber compositions are found to exhibit strain induced crystallization (as can be observed by X-ray diffraction). Also provided are related methods for preparing the rubber compositions.Type: ApplicationFiled: February 12, 2018Publication date: June 14, 2018Applicant: Bridgestone CorporationInventors: Sheel P. Agarwal, Yingyi Huang
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Publication number: 20170355238Abstract: A rubber article having an electronics device fastener is provided. In one embodiment, a tire is provided, the tire comprising: a first surface; a second surface; and a tire body contained between the first surface and the second surface; wherein the tire body comprises a cavity having a cavity major width in at least one of an axial direction and a circumferential direction, wherein a channel extends between the cavity and the first surface, wherein the channel has a channel major width in at least one of the axial direction and the circumferential direction, wherein the cavity major width is greater than the channel major width, and wherein a protrusion of a fastener is engaged within the cavity.Type: ApplicationFiled: October 9, 2015Publication date: December 14, 2017Applicant: Bridgestone Americas Tire Operations, LLCInventors: Terence E. Wei, Hans R. Dorfi, Paul B. Wilson, Sheel P. Agarwal, Andrew T. Miklic, Adam K. Nesbitt, Douglas B. Costlow, Ross W. Widenor, John D. Rensel